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Decatur, AL
Full City Profile · Alabama · Morgan County County
3.2
/5.0
B
Good
57,760
Population
1,058/sq mi density
$59,831
Median Income
$33,925 per capita
$190,500
Home Value
$219,402 Zillow
$861
Median Rent
27.7% income on rent
61°F
Avg Temperature
301 sunny days/yr
201
Violent Crime/100K
4,390 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$59,831 median income, 2.9% unemployment
A+
Affordability
4.9 / 5.0
$190,500 home value, $861/mo rent
F
Safety
1.0 / 5.0
201 violent crimes/100K
C+
Education
2.8 / 5.0
22.8% bachelor's degree or higher
Decatur enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 301 sunny days per year. Annual precipitation totals 58.0 inches. Air quality is rated Good with a median AQI of 41.
Temperature
42°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 61.4°F |
| 14% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 594 ft (181 m) |
| Area | 54.6 sq mi (141.4 km²) |
| Population Density | 1,058/sq mi |
| Coordinates | 34.5730°N, 86.9899°W |
| Timezone | America/Chicago |
| County | Morgan County County |
| Nearest Airport | Pryor Field Regional (DCU) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0460 ppm |
| PM2.5 (Fine Particles) | 7.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.8 / 100 |
| Social Vulnerability | 60.9 / 100 |
| Community Resilience | 47.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.2 in | Coldest |
| February | 44°F (6°C) | 4.8 in | |
| March | 52°F (11°C) | 6.5 in | Wettest |
| April | 60°F (16°C) | 5.0 in | |
| May | 68°F (20°C) | 5.0 in | |
| June | 75°F (24°C) | 4.1 in | |
| July | 79°F (26°C) | 4.7 in | Warmest |
| August | 78°F (26°C) | 3.4 in | Driest |
| September | 72°F (22°C) | 4.2 in | |
| October | 61°F (16°C) | 3.4 in | |
| November | 51°F (11°C) | 4.7 in | |
| December | 43°F (6°C) | 5.8 in |
Decatur has a seasonal temperature swing of 38°F / from 42°F in January to 79°F in July. Total annual precipitation is 56.9 inches, with March being the wettest month (6.5") and August the driest (3.4").